@article{Hacker2003,
author = {Hacker, J.D. },
title= {Rethinking the ‘early’ decline of marital fertility in the United States},
year = {2003},
doi = {10.1353/dem.2003.0035},
journal = {Demography},
volume = {40},
number = {4},
pages = {605--620},
}